Dominaria

Dauntless Bodyguard | Creature | Human Knight | As Dauntless Bodyguard enters the battlefield, choose another creature you control. Sacrifice Dauntless Bodyguard: The chosen creature gains indestructible until end of turn. | Manuel Castañón

Tragic Poet | Creature | Human | {T}, Sacrifice Tragic Poet: Return target enchantment card from your graveyard to your hand. | Anthony Palumbo

Artificer's Assistant | Creature | Bird | Flying Whenever you cast a historic spell, scry 1. (Artifacts, legendaries, and Sagas are historic. To scry 1, look at the top card of your library, then you may put that card on the bottom of your library.) | Chris Seaman

Stronghold Confessor | Creature | Human Cleric | Kicker {3} (You may pay an additional {3} as you cast this spell.) Menace (This creature can't be blocked except by two or more creatures.) If Stronghold Confessor was kicked, it enters the battlefield with two +1/+1 counters on it. | Igor Kieryluk

Ghitu Lavarunner | Creature | Human Wizard | As long as there are two or more instant and/or sorcery cards in your graveyard, Ghitu Lavarunner gets +1/+0 and has haste. | Jesper Ejsing

Skirk Prospector | Creature | Goblin | Sacrifice a Goblin: Add {R}. | Slawomir Maniak

Llanowar Elves | Creature | Elf Druid | {T}: Add {G}. | Chris Rahn

Sparring Construct | Artifact Creature | Construct | When Sparring Construct dies, put a +1/+1 counter on target creature you control. | Mark Behm